Al Timeline and Summary

Al and Min have been best friends forever, and the book opens in "real time" with Min asking Al for a favor: to drive her to her ex-boyfriend's house. Min wants to leave a box of her ex's stuff on the doorstep.
Flashback to Al's birthday party, which is the night Min meets Ed.
Al expresses his reservations about Min's developing relationship with Ed early and often. Min thinks he doesn't like Ed, but the truth is that Al's just jelly—he loves Min himself.
Min and Al have a huge fight about Ed. Al tries to say he has no opinion, but Min presses, until eventually, Al expresses an opinion. And guess what? It's negative.
The besties don't talk for a long time.
At the urging of their mutual friend Lauren, Al tells Min that he wants to make up—oh, and also he says that he loves her.
He isn't too dramatic about it, though; he understands that Min has other things on her mind.
Al comforts Min after she and Ed break up at the flower shop.
Min and Al spend a lot of time together after her breakup.
A month or so after the breakup, in December, Al takes Min to drop off the aforementioned box. Finally.